This visualization allows you to browse through the past decade of KEXP.org playlist data or use the benchmark mode to test your system's performance. This website is designed to test the prominent new features in HTML5: Enhanced DOM, CSS3, Canvas, Web Fonts, SVG, and Video. By toggling the checkboxes at the left you can see how your system’s performance (measured in frames per second) changes.

We've created this experience to let music aficionados explore historical airplay data from KEXP.org in Seattle while putting HTML5's newest features to the test. Browse the past decade of playlists or use the benchmark mode to test your system's performance. A fast computer with a GPU and Internet Explorer 9 are recommended for best performance.

The benchmark will generate a score based on your computer's hardware. For best results, please close all other applications and browser windows/tabs first and do not resize the browser or use your keyboard/mouse while the benchmark is running. Please set your browser to the desired window size before starting. The benchmark will take several minutes to complete.

Note that the benchmark is a beta, as we are still optimizing the test to best reflect the performance of the underlying hardware. Stay tuned for future updates.

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DOM

Typography

Canvas

SVG

Video

World Wide Web Consortium (W3C) DOM Level 2 (L2) and L3 support

The support for Web Open Font Format (WOFF) makes the most of the underlying GPU for high quality rendering with sub-pixel precision, resulting in smooth, crisp text across font sizes and browser zoom levels.

The canvas element provides scripts with a resolution-dependent bitmap canvas, which can be used for rendering graphs, game graphics, or other visual images on the fly. Canvas is hardware accelerated through the GPU.

With HTML5 and GPU acceleration, SVG is an excellent choice for a new class of interactive, animated scenarios.

Make the most of your GPU to play HTML5 video, using hardware video acceleration if available.